package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.context.BaseContext;
import com.sky.dto.OrdersPageQueryDTO;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.OrderDetail;
import com.sky.entity.Orders;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.OrderDetailMapper;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.result.PageResult;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import com.sky.vo.OrderVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private WeChatProperties weChatProperties;
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private OrderDetailMapper orderDetailMapper;

    /**
     * 微信小程序登录 openid  ???
     *
     * @param userLoginDTO
     * @return
     */
    @Override
    public User wxLogin(UserLoginDTO userLoginDTO) {
        String openid = getOpenid(userLoginDTO);

        if (openid == null) {
            throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
        }

        User user = userMapper.getByOpenId(openid);

        if (user == null) {
            user = User.builder()
                    .openid(openid)
                    .createTime(LocalDateTime.now())
                    .build();
            userMapper.insert(user);
        }
        return user;
    }

    /**
     * 微信小程序登录
     *
     * @param userLoginDTO
     * @return
     */
    private String getOpenid(UserLoginDTO userLoginDTO) {
        //调用微信接口，获得唯一标识openid
        HashMap<String, String> map = new HashMap<>();
        map.put("appid", weChatProperties.getAppid());
        map.put("secret", weChatProperties.getSecret());
        map.put("js_code", userLoginDTO.getCode());
        map.put("grant_type", "authorization_code");
        String json = HttpClientUtil.doGet("https://api.weixin.qq.com/sns/jscode2session", map);

        JSONObject jsonObject = JSON.parseObject(json);
        String openid = jsonObject.getString("openid");
        return openid;
    }
}
